Use newImageSnapshot() to get an image from a Canvas

Source/platform/graphics/StaticBitmapPattern.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef StaticBitmapPattern_h
+#define StaticBitmapPattern_h
+
+#include "platform/graphics/Pattern.h"
+
+namespace blink {
+
+class StaticBitmapPattern : public BitmapBackedPattern {
+public:
+    static PassRefPtr<Pattern> create(PassRefPtr<Image> tileImage, bool repeatX, bool repeatY);
+
+    virtual ~StaticBitmapPattern();
+
+    virtual PassRefPtr<SkShader> createShader(SkShader::ShaderLocation preferredLocation) OVERRIDE;
+
+protected:
+    virtual SkImageInfo getBitmapInfo() OVERRIDE;
+    virtual void drawBitmapToCanvas(SkCanvas&, SkPaint&) OVERRIDE;
+
+private:
+    StaticBitmapPattern(PassRefPtr<SkImage>, bool repeatX, bool repeatY);
+
+    RefPtr<SkImage> m_tileImage;
+};
+
+} // namespace
+
+#endif